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How do I write output in same place on the console?
...loading File FooFile.txt [%d%%]\r'%i,
Demo:
import time
for i in range(100):
time.sleep(0.1)
print 'Downloading File FooFile.txt [%d%%]\r'%i,
Python 3
print('Downloading File FooFile.txt [%d%%]\r'%i, end="")
Demo:
import time
for i in range(100):
time.sleep(0.1)
print('Dow...
How do you create a read-only user in PostgreSQL?
...u should assign default privileges to that owning role. IMHO this is all a bit confusing and you may need to experiment to come up with a functional workflow.
Multiple tables/views (PostgreSQL versions before 9.0)
To avoid errors in lengthy, multi-table changes, it is recommended to use the follow...
Default template arguments for function templates
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edited Oct 10 '14 at 21:32
answered Mar 15 '10 at 13:47
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Extension method and dynamic object
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@EricLippert consider to expand this answer a bit more and add sentence along the lines of "When any of the parameters are dynamic, then all resolutions are deferred until run-time". While it obvious to you this important bit is hard to find anywhere else on SO (see stac...
Append value to empty vector in R?
...ook you to write this question (but would have caused you to develop bad habits). ;-)
Note that vector <- c() isn't an empty vector; it's NULL. If you want an empty character vector, use vector <- character().
Pre-allocate the vector before looping
If you absolutely must use a for loop, yo...
Change the image source on rollover using jQuery
...work.
– Navigatron
Aug 21 '12 at 20:10
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show 3 more comments
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Android: What is better - multiple activities or switching views manually?
...ck button to work. Managing fragments, dialogs and the back stack can be a bit of an annoyance though!
UPDATE Sept 2018:
Some devs at Google are recommending single activity apps using the new navigation architecture component.
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Keep file in a Git repo, but don't track changes
... bad idea. "Users often try to use the assume-unchanged and skip-worktree bits to tell Git to ignore changes to files that are tracked. This does not work as expected, since Git may still check working tree files against the index when performing certain operations. In general, Git does not provide...
Pythonic way to check if a list is sorted or not
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answered Sep 20 '10 at 20:33
Wai Yip TungWai Yip Tung
15.3k99 gold badges3636 silver badges4545 bronze badges
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Delete multiple objects in django
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210
You can delete any QuerySet you'd like. For example, to delete all blog posts with some Post mo...